Finding the Fourth Proportional to 2,495,187,467.70, 3,742,781,201.55 and 655,126,149.30
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Solution
The fourth proportional to 2,495,187,467.70, 3,742,781,201.55 and 655,126,149.30 is: 982,689,223.95
Step by Step Solution
- Step 1: Write the proportion equation
2,495,187,467.70 : 3,742,781,201.55 = 655,126,149.30 : x - Step 2: Convert to fraction form
2,495,187,467.70/3,742,781,201.55 = 655,126,149.30/x - Step 3: Cross multiply
2,495,187,467.70x = 3,742,781,201.55 × 655,126,149.30 - Step 4: Simplify right side
2,495,187,467.70x = 2,451,993,836,243,878,400 - Step 5: Solve for x
x = 2,451,993,836,243,878,400/2,495,187,467.70 - Step 6: Final answer
x = 982,689,223.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.